Cops arrive at the E.R. with a suspected criminal. Meanwhile, the doctors try their best to save a boy with severe head injuries.

Whe a man's religion keeps him from getting the proper treatment for a snake bite, the doctors try to find some way to help him.

Comprised of three stories: "Mother and Fetus Shot" "Frozen from Fiji" "Traveling Bullet"

While working on an art project, an amateur artist accidentally cuts off his hand.

A chronically ill 6-year-old boy is brought to the ER. The doctor thinks the boy's being poisoned by his mother.

Members of rival gangs are admitted and their fellow gang members come to the ER; Sister Della Rosa is admitted with trouble breathing, and she doesn't want treatment; A surgeon loses his fingers in a saw accident; A patient has cut his fingers and tells conflicting stories about how it happened.

A patient who was completely unconscious suddenly awakens; a family of three has a mysterious condition; a man walks into the ER with a knife wound and refuses help.

One patient arrives with a tree branch stuck through his neck while doctors are treating ten teens that have been critically injured.

Paramedics treat a teen who is unresponsive after a car accident and discover she's pregnant; a patient arrives with an axe in his head.

Neurosurgeon Dr. Smith is under extreme pressure after a young boy punctures his skull with a pitchfork.

A 21-year-old man has suffered internal injuries in a motorcycle accident.

A woman comes into the ER with severe abdominal pain and claims there is an alien in her stomach.

Another day, another surprise pregnancy. A woman in the ER discusses whether she's ready to be a mother.

It's a busy day in the ER as Dr. Heilbron battles to treat a man whose intestine has come out, among others.

A boy is rushed in after breathing in an unspecified poisonous chemical. Has it permanently damaged his lungs?

Crisis breaks out in ER when a depressed man walks in, pulls out a gun and takes a doctor hostage.

The doctors face one of their toughest cases ever when a patient that has been attacked by a mountain lion comes to the E.R. with the most severe injuries that the doctors have ever encountered. Meanwhile, one woman complains of being dizzy but ends up actually being high. Also, a young girl is stuck by thousands of needles after rolling down the side of a cliff.

A man is shot through the heart while his store is being robbed.

When an 11-year-old comes down with a severe ailment that has a track record of killing almost all of its victims, the doctors are forced to try an untested treatment.

After a tornado strikes Oklahoma, a woman comes to the E.R. with a fence picket impaled through her head.

The E.R. doctors have to reattach a 7-year-old boy's arm after he is involved in a truck accident. Meanwhile, a teenage boy comes to the hospital unable to move his ankles and feet. Also, a man has a serious skin rash that is stumping the doctors and collapsing his lungs.

A young boy is rushed to the emergency room immediately after a football game.

A skier runs into bad luck after hitting a tree at 50 miles per hour when his blood will not clot and the power goes out at the emergency room.

Doctors have to not only worry about a patient's severed arm, but also the amount of damage that his liver and splein have suffered.

A drunken cowboy ends up in the ER while a patient with a gunshot wound in the thigh complains of chest pains.